Zobrazeno 1 - 10 of 99 pro vyhledávání: '"R. Stewart MacDougall"'
1
The Biology of the Genus Pissodes. (George Heriot Research Fellowship Thesis.)
Autor: R. Stewart MacDougall
Publikováno v: Proceedings of the Royal Society of Edinburgh. 23:319-358
In the case of any harmful insect of economic importance, in order to war against it, or apply remedial measures at all intelligently, a knowledge of the life-history of the pest is necessary. This proposition will, I think, meet with such ready acce
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b1d0ce352c70e51cb6e6508390e09ff2
https://doi.org/10.1017/s037016460001049x
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3
Pseudococcus comstocki, Kuw., as an Enemy of the Banana (Musa cavendishii)
Autor: R. Stewart MacDougall
Publikováno v: Bulletin of Entomological Research. 17:85-90
During a visit to the Canary Islands in the early autumn of 1924, the chief purpose of which was an inspection of the banana plantations for insect and allied pests, four enemies were found, each of which was the cause of some loss. Two of these had
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::27276ee8403ddd49e8abe6f0301d1a4f
https://doi.org/10.1017/s0007485300019106
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6
XXI.—Contributions to the Knowledge of the Family Chermesidæ. No. I.: The Biology of the Chermes of Spruce and Larch and their Relation to Forestry
Autor: R. Stewart MacDougall, H. M. Steven
Publikováno v: Proceedings of the Royal Society of Edinburgh. 37:356-381
Extensive and intensive research on the Chermes group has been carried out on the Continent during the last ten years, but there has been no close study of this group in Britain. This paper is a record of introductory research in this country on this
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22b2b4d657fcb6f474e186952d00f125
https://doi.org/10.1017/s037016460002366x
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8
The Biology and Forest Importance of Scolytus (Eccoptogaster) multistriatus (Marsh)
Autor: R. Stewart MacDougall
Publikováno v: Proceedings of the Royal Society of Edinburgh. 23:359-364
The Scolytidse is a family of small roundish tetramerous beetles characterised by the fact that the female beetle enters bodily the tree or plant for her egg-laying, the eggs being generally laid in little notches cut out in the sides of the motherga
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7941cf31bf732f93c93d17c50fed4b4
https://doi.org/10.1017/s0370164600010506
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